Portable straight ladders must extend above the top landing by at least how many inches?

Portable straight ladders must extend above the top landing by at least 36 inches to ensure safety when accessing upper levels. This extension provides a secure handhold for individuals to grip while transitioning from the ladder to the surface, thereby reducing the risk of falls during this critical movement. The 36-inch extension is recognized as a standard within safety regulations, offering enough height to facilitate safe entry or exit without straining or losing balance.

This guideline helps prevent accidents that could occur if ladders are not extended sufficiently, as a proper grip is essential when an individual is stepping onto or off the ladder. Standards for ladder use are established to enhance safety, and adherence to this specific requirement plays a significant role in reducing workplace injuries related to ladder use.